Liquid metering device



June 9, 1942. r. A. MccoY LIQUID METERING DEVICE n Filed Aug. 29, 1939 2Sheets-Slime?l lv INVENTOE THD/VAS 44 Mc CY ar wwf Arroz/vins PatentedJune 9, 1942 LIQUID METERIN G DEVICE Thomas A. McCoy, Emeryville,Calif., assigner to Granberg Equipment Inc., Oakland,l Calif., acorporation of California Application August 29, 1939, Serial No.292,427

7 claims. (c1. 73-253) This invention relates to a meter for liquids,

and has for one of its objects, a novel, simple, compact and reliablemetering device adapted to be actuated by a iiowing liquid and tomeasure such liquid as it flows through said device.

Other objects will appear in the specification and drawings annexedhereto.

In the drawings, Fig. l is a plan View of the device.

Fig. 2 is a sectional View of the device of Fig. 1.

Fig. 3 is a View partly in section and partly in elevation, taken alongline 3-3 of Fig. 1.

Fig. 4 is a fragmentary sectional view taken along line 4 4 of Fig. 3.

Fig. 5 is an elevational view of one of the elements in my device.

Fig. 6 is a sectional view of one of the elements of my device.

Fig. 7 is an elevational 'Si elements of my device.

View of another of the Fig. 8 is a View of the device of Fig. 7 as seenfrom one edge thereof.

Fig. 9 is a diagrammatic view showing the relative position of theVmovable blades in my device relative to the liquid inlet and outlet inthe chamber enclosing said blades.

Fig. 10 is a fragmentary view showing in elevation portions of tworing-like mcuntings in said device at points spaced 90 apart on thesides of the rings.

In detaii, the metering device disclosed in the drawings comprises anouter casing consisting of a main body l having lateral sides and closedat one end with the opposite end open and the lateral walls at theiredges adjacent the open s end are formed to provide a continuous,inwardly projecting, relatively thick flange 2 in which the inner, freeedge of said flange is circular. A corresponding, similarly shaped ange3 of similar thickness to ilange 2, projects inwardly from the freeedges of a hemispherical wall 4 that is adapted to cover the open sideof the body I, with the convex side of said wall 4 facing outwardly,when the sides of said flanges are together.

The radially inwardly facing sides of flanges 2, 3, are recessed,circumferentially thereof, a distance from their adjacent sides so thatthe pair of flanges, when together, provide a central channel 5, one ofthe sides of which channel is formed on each ilange, the bottom of thechannel extending iiat across the line of division between the flanges.

Fitted within the annular opening formed by the inner edges of flanges3, 2, is a hollow, spheri- Y cal housing formed in halves 6, l. Thehalves 6, 'I are divided in the same plane as the line of divisionbetween flanges 2, 3, and each of the halves is formed with anoutwardlyprojecting annular flange 8 around the edges thereof at the line ofdivision between saidrhalves, which flanges 8 are sealed againsteachother on their adjacent sides. These flanges 8 also fit in thechannel 5 formed by the recesses in the inwardly facing edges of flanges2, 3.

'Ihe cover wall 4 and body I are securely `bolted together by stud bolts9 (Fig. l) that pass through flange 3 and threadedly engage threadedopenings in 'ange 2. Thus`when said bolts are tightened, theY flanges 8are likewise tightly drawn together and the housing, comprising halvesI5, 1 form a partition between space I il and the area within the bodyI, thus providing a chamber IE at the side of said housing adjacent theWall, and a chamber II at the opposite'side of the housing in body I.

The halves 6, l, of the spherical housing are respectively formed withcircular openings A, B

therethrough disposed in to the plane of the line of division betweensaid halves, the central axes of said openings, respectively, beingcoaxial with `radii extending from the center of the housing. A tubularbearing I2 extends through the said opening in half 6, which bearing isformed at a point therearound adjacent the inner side of half 6 with acircular, out wardly projecting ilange I3. The side of said angeoverlying the inwardly facing margin of half 6 around the openingtherewith, being curved to correspond to the curvature of the inner sideof said half. The end of V said bearing that projects outwardly of thehalf 6 is threaded for a nut I4 adapted to draw the flange I3 tightagainst the said margin when the nut is tightened. Thus, when nut I4 istightened, a bearing is rigid with the half 6. The bearing i2 continuesinwardly into the spherical housing a substantial distance, butterminates short of the center of said housing.

Rotatably extending through the bore of the bearing I 2, and projectingat its opposite ends outwardly of the ends of said bore, is a shaft I5.The outer end of said shaft outwardly of the housing carries a spiralgear I6 in mesh with a spiral gear Il on shaft lthat is the drive shaftfor a conventional counter or tabulating mechanism adapted to actuatethe usual counter wheels I9, indicated in Fig. 1. There is nothing aplane perpendicular y novel in this counter mechanism,`in itself,'sinceopening 28.

gage in one of the ears threaded for lock the same is old in the art,hence the details thereof are not shown.

The inner end of shaft I that is inside the housing, is threadedlysecured to the inner side of a hollow cone 20 at a point adjacent theapex of the latter, the shaft I5 being coaxial with the central axis ofthe cone. A'hub 2I, also coaxial with said axis, extends inwardly insidethe cone from adjacentthe apex thereof, which hub rotatably extends overbearing I2 and terminates at its end remote from said apex adjacent angeI3.

The outer sides of said cone 26 carry four outwardly extending wings 22.which are formed integrally with the cone, said. wings being planarsided and disposed in planes intersecting at the apex of the cone atright angles. Each of said wings is centrally slotted `at 23 in theplane thereof midway between its outer sides, thus virtually dividingeach wing into a pair of similar, parallel, planar sided'wings, the slot23 forming a space therebetween. Said wingsi22- `extend along their edgeadjacent the conefrom aapoint outwardly. of the apex-thereof to the`base of the cone, and connect with each other outwardly of said apex,and the slots -23-communicate-with each other outwardly ofsaid apex, toform a crossfas best seen in Fig. 5.

From their connectingends outwardly of the apex of said cone, theouter-free edges V24 of the wings extend straight to the inner *sidesIof the spherical housing along llines obtusely intersecting at the pointVcentrally within the housing, and the edges 25-of the wings Lextendingfrom the base of the cone -to the endsof edges 24 at `said inner sidesof the housing,arearouately shaped to correspond to the curvature ofthenner Sides of the housing, and to slidably `engagesaid inner sides.

Extending loosely through thev opening -B in half 1 is shaft 26, whichshaft is 'formed-w-ithan outwardly projecting flange =I3 similar' toVflange I3 on bearing I2. The shaft-26 continues inwardly into thehousing to a.` point therein adjacent the apex of a cone 20y that is thesame as cone 20, and the hub 2l' "extending from the inner side of saidcone at the apex end rotatably mounts said cone on-shaft 26coaxiallywith the axis of said shaft. The cone 28 carries slotted wingsidentical with those on cone 20,A and parts similar to those alreadydescribed with reference to cone 2l) bear the same numbers, but areprimed in Fig.- 2.

'Ihe portion 21 of'shaft'26that projects outwardly of the half 1 isformed with an-opening 28 extending transversely therethrough and spacedfrom opposite sides of .the end 21, the wall of half 1 hasears 29,-which ears' vare formed with openings in-.axial alignment with -rvAboltvextends through said openings in ears 29. and .opening.l28,^ whichbolt is threaded adjacent the head 3I,to;.threadedly en- 29,Y with theportion thereof extending through; opening 28, being of reduced diameterand smooth, and. loosely passing through said opening, and whichVportion continues into a sleeve 32 that is slidably tted in the openingin the other ear 29. Sleeve 32 engages one side of shaft 26 at one ofits ends and projects outwardly of the ear v29 through 'which itextends, at its opposite end, and the smooth, or unthreaded, reduceddiameter portion of bolt 38 extends at its outerend beyond said oppositeSaid outer end 'of bolt 3| is nuts 33 that secure the sleeve end ofsleeve 32.

CTI

tight between such nuts and shaft 26. A shoulder at the junction of thethreads engaging in one of the ears 29, and the unthreaded portion ofsaid bolt, engages the side of shaft 26 opposite the sleeve 32, thus theshaft 23 is held between said shoulder and sleeve, but upon turning thehead 3I of the said bolt, the shaft 26 will be moved slightly in onedirection or `the other circumferentially of the housing.

In order to insure flange I3 being held tightly against the inner sideof the half 1 of the spherical housing, I provide a flat coil spring 34around the .end 21 of shaft 25, of which spring reacts between theouter.y ends of ears 29 and a washer v35 secured on the outer end of end21 by a cotter pin 36 vor the like, as indicated in Fig. 2.

An opening in the wall 4 in axial alignment l with the bolt -30is toenable adjusting the bolt 33 from outside the housing, which opening isnormally closed by a screw plug 36.

' The central axesv of cones 23, '20"' extend through a pointcentrallyWithin the-spherical housing, which axes are -in the-*sameI plane, butare spaced about--degrees from the line of division betweenA thehalves,'thisspacing being determined for each axis, from the-same vpointalong said line of division. -Thus'the Vaxes1 meet at the center of thespherical housing at an angle of about 150 degreesfas seen in Fig. 2.The plane in which said axes are disposed is the central plane bisectingthe spherical housing perpendicularly to the plane of the line ofdivision between said halves.

The inner edges of the halves 6, 1 along the 'line of division betweensaid halves,are cut away to form the sides and bottomof achannel`similar to the channel formed in the iianges 2, 3 but smaller. In thecut away edge of half 6- is a ring 31 and in the cut away edge' of half1 is a ring 38, which rings slidably engage eachother on their adjacentsides and arel circumferentially rotatable in the channel formed bythecut away edges. At four equally spaced points around the side of ring 31that is adjacent the ring 38, `said ring 31 is formed with recessesextending transversely thereacross'indirectionradially 'of the centralaxis of the ring opening, the recesses at two opposite sides of thering, indicated at 39 in Fig. 10, inV direction circumferentiallythereof, being half round, or semi-cylindricalin shape, and the othertwo recesses 40, at the other two opposite sides being elongatedcircumferentially of the ring. In ring 38 on the side adjacent ring 31,are also four equally spaced recesses complementarly disposed relativeto the recesses in ring 31, but the two semicylindrical sided ,recesses39 in ring 31 are opposite theelongated recesses 43' in ring 38, andthehalf rounded recesses 39 in ring 38 are opposite the recesses 46 in ring31.

Fitted at their ends in the opposed pairs of recesses in the rings 31,38 are four, cylindrical shafts 43 that extend radiallyf'outwardly ofthecentralpoint in thespherical housing. y

Pivotally supported on each of these shafts 43 are vanes 44, bestindicated in Fig. 7. These varies are at plates substantially conformingin outline to that of sectors of a circle with converging edges andarcuate outer edges-45, in the direction of greatest-width,conforminglto'the curvature of the inner sidesof the spherical housing.One of the straight, diverging edges 46 of each of the vanes 44 isdisposedwithin one of the slots 23 of the Wings 22 in which position thecurved outer edge 45 extends in'continua- 2,285,527 vtion of thecurvature of the curved edges 25 of the wings.

The edges of the vanes opposite'the edges 46 are formed with lugsapertured for slidably receiving the shafts 43 therethrough, with twovanes at opposite sides of each shaft. yOne of the vanes at one side ofeach shaft carries a pair of spaced lugs 41 while the vane extendingfrom the opposite side of the shaft carries a lug 48 tted between thelugs 41, the openings through said lugs 41, 48 of each pair of vanesbeing in alignment for passing shaft 43.

At the inner ends of the wings 22, vanes 44 and shafts 43, or at theirinner ends centrally within the spherical housing, the said wings, vanesand shafts are curved to seat against a spherical ball 49.

From the foregoing description of the various elements within thespherical housing, it willbe seen that the area within said housing isdivided by the wings and vanes into four chambers each of which is ofappreciably greater area at one side of a plane bisecting the housingperpendicularly to the plane of the line of division between halves 6, 1than at the other side of the bisecting plane.

It is also manifest that upon revolving vof the wings and vanes aboutthe axes of the shafts I5, 2S, the cubic area within each of the fourchambers, will, during each revolution, increase and decrease. Thisaction is utilized in causing revolution of the vanes and wings formetering the liquid, as follows.

In one side of the half 6 I provide an opening 50, which opening iselongated in direction parallel with the line of division between thehalves, and adjacent the flange 8 of said half B, the length of saidopening being only a very small distance less than the distance betweenthe portions of the outer edges of adjacent vanes that are adapted tosweep across said opening. The said opening is also positioned to bebisected by a plane perpendicular to the plane of the line of divisionbetween halves 6, 1.

The half 1 is formed with a similar opening I, which opening ispositioned exactly on the oppositeside of the spherical housing fromopening 50, hence the same relation exists between the length of opening5I and the distance between the outer edges of the adjacent vanes thatare adapted to move across said opening 5|.

In Fig. 9 the relation between the vanes and openings 53, 5I isdiagrammatically illustrated.

Liquid, such as petroleum products, or other liowable liquid, enters thecasing I through an inlet 52 and then passes through a screen 53 intochamber Il. A float controlled valve 54 in the upper end of casing Ifunctions to release air in the casing to permit the filling of chamberI I with the liquid, and when substantially so lled the valve 54automatically closes by the rise in the liquid level.

The chamber I0 at the side of the spherical housing opposite chamber II,is provided with a y liquid outlet -opening 55 connected with a pipe,

hose, or the like, for conducting the liquid to a point for discharge.Thus it will be seen that the high pressure side of the sphericalhousing is in chamber II, while the low pressure side, when liquid isbeing dispensed, is in chamber I0.

In operation the liquid in chamber II, under pressure, passes throughopening 50 and into the spherical housing. Since. the progressivelyexpanding area of the compartments between adjacent pairs of the vanesat each of the sides of` rings 31, 33, is in the side of the housingopposite that in which both cones are disposed, the vanes and wings willbe caused to rotate in the direction of such progressive expansion ofsaid chambers. The minimum area of such chambers, is substantiallyreached, when the vanes 44 have been caused to move inwardly into saidslots 23 to the point where the free straight edges of the vanes aresubstantially at the bottoms of slots 23. The maximum area betweenadjacent pairs of vanes at each side of rings 31, 38, is reached, whenthe edges 46 of the vanes are adjacent the outer, free edges 24 of thewings 20,

although the vanes are never Withdrawn from the'slots during operationof the meter,vfor obvious reasons,

Thus, the liquid, under pressure causes revolution of the vanes andwings, and such liquid is carried around the inner side of the sphericalhousing between adjacent pairs of blades and vanes and is dischargedthrough opening 5I into chamber IB and from thence through the dischargeopening 55 to the ultimate dispensing point. At no time are openings 50,5I opened at' the same time, hence all of the liquid passing from theopening 5@ to opening 5I must be carried around between the equallyspaced vanes and wings, thereby insuring accuracy in the measureindicated by the counters I9 since only a predetermined uniform amountor liquid can pass through the housing upon each revolution of the Wingsand vanes about the axes of the cones 20, 20'.

By adjusting screw 30, this amount can be readily and accurately varied,as desired.

The purpose of opposing the half round recesses in ring 31 to theelongated recesses in ring 38 and visa versa, is to enable the slightmovement of the shafts 43 circumferentially of the rings essential tosimultaneous rotation of members about angularly connected axes.

Having described my invention, I claim:

1. In a liquid meter, a hollow, spherical housing, a rotor revolubletherein, said rotor comprising a plurality of pairs of blades extendingfrom slidable engagement at one of their edges with the walls of saidhousing toward a point centrally therein, the said edges of the blades,respectively, in slidable engagement with said walls, beinglongitudinally curved to conform to the spherical contourl of the innersides of said walls, each of said blades being formed wth'substantiallystraight edges extending convergently toward said central point from itscurved edge, pivot means pivotally mounting two of the straight edges ofthe blades of each pair for rotation thereof about an axis extendingthrough said point, with the blades of each such pair extendingoppositely from said axis, means -revolvably supported on the walls ofsaid housing mounting said pivot means for revolving about said pointwhile the blades are pivotally supported on said pivot means, meansmounting'the others of the straight edges of said blades respectivelyfor swinging said blades on said pivot means, relatively, during eachrevolution of said pivot means, and an inlet and an outlet for liquid atspaced points in said walls respectively positioned to be scanned by thecurved edges of saidv blades in succession during revolution of theblades in said housing, said blades being positioned relative to eachother and to said inlet and outlet to be actuated for revolving in saidr housing upon admission of liquid to said inlet.

Y said inlet, lsaid ring beingdiv connecting alternateV vblade saidpath, f said means .comprising a ring revolv- .able within Vsaidhousing: and. secured to .the .blades-.attheir radiallyoutwardlyiacingends, rotary means within said. housing in .gagementwithsaidblades forf-edge`wisemove meint of the blades relativethereto'iduring revolution of said blades,-said rotary means-being`cooperative between'thehousing `walls and said i lbladesupon`saidmovement to provide a plurality? of separate chambers ofprogressively'increasing and progressivelyY decreasing lvolumes oversepa- -rate-portions Vofthe-.distance of travel oflsaid-`blades'\during'each completey revolution of 'the --blades f in saidhousing when the `latter areresfi 4volved, a liquid inlet-in saidhousing adjacent the point in said'path where said edgewise movement iseiectiveffor causing increase in said volume i and aliquid outlet in.saidhousing-adjacent the pointin said path where saidedgewise'movements'` is effective for causing decrease in. said: volumewhereby the blades willbe caused to revolve upon liquid under pressure-enter-ing'said inlet.

3S In a construction as defined in claim 2, said nletand said voutletbeing at oppositevs'ides of Y-saidwhousing -andatppposite-sides of saidring, said housing being divided into -halves in the plane in which saidring is disposed, an annular groove formed in theI inner side-f #saidhousing at the ijuncture of 'the halves of the latter sup` porting saidvring for. revolvingh therein, and means removably securing.y said halvestogether,

Y 4.-A' liquid meter comprising ahbllew, spherieal'housing, a pluralityoi` spacedbl'ades-Within `said -housing extending substantiallyvradially relative tothe center of saidhousing,-=means supporting `-saidA,blades for revolving irr arr-annular path-as a unit about said'.lcenter with their'. flat sides'disposed transversely :ofsaid1path,-.said meanscornprising a ring revolvable, within:;.said.housing and secured to the bladesfat-their 1radiallyY outwardly facingends, rotary means withinY said housing `in slidable` engagement withsaid blades for. edgewise movement ofk thebladeselative? thereto'duringv revolution -ofA said `blades,sa'id f rotary means Abeingcooperative between the housing-walls and said-blades' uponl saidmovement `to .provide a plurality of separate chambers 'ciproressivelyincreasing and progressively decreasing fthe: distance",

volumes over'- separate portions o of -travel of said blades during each`complete vrevolutionof `the blades in saidhousing when the `latterarerevolved, a liquid inletin said-'housing -adjacent the-point in saidpath where said-*edgevwise movement is effective for eausingincreasefin.said volume-and a-liquid outlet in--saidwhousing adjacent the pointinsaidlpath wheresaid ledgewise movement is Yeflectiveuror causingdecrease in said volume whereby the blades willbe caused to revolve uponliquid under pressureentering.,

idedf circumferens-,said Apartsbeing slidable cirtive to eachj other Aand means sfto oneA and tothe other-of saidsparts wherebyadjaCentfbladeS-are movable toward and away from eachl other `duringrevolution insaid YVpath, and `mean`s1lim-iting tially into two partcumferentially rela said latter movement.

rising-y ahollow, spherf spaced-blades within 5. Aliquid meter comp icalhousing, a plurality` o f: ensmsg? said nhousingv extending 1.substantially .2 .radially relative to the center of said housing;alrringre- .vo1vable:.withincsaidnhousing supporting said .blades ztfor.revolvingiin :an; annularppath .within 5.. :saidhousingfas aunitLabo'utsaidlcenter with their .1 .nat..sideslzidisposed transversely. `ot said..path, lmeans-motatabletiwlithin-said'. housing vin. sliding.f.Lengagementiwithiisaidgblades foredgewise move- .ment .of ilthe-'blades relative thereto l during revolOf lutiorr oi;. said;blades,said..last mentionedI means being cooperative between the housing. wallsand said blades uponsaid-movementto.provide a plu- :ralityot-'separatechambersi'ofvprogressively inr creasing1-.and.fprogressivelyiideereasing volumes ;.oven` separatehalves `of ithe-distance 1oi1 travel `vof :.saidllbladesl Aduring each `corn-plete`revolution @of the blades in said housing when the bladesare 2 revolved,aliquidl .inlet saidhousing adjacent fl .the point-in-.said lpathl wheresaid movementv is eiiective .for-causing increase ing said-volume, I andl.. ai v`liquid outlet Vin said -housing disposed substan- ...tiallydiametrically epposite-.said-inlet andl at -adjacent'ithe pointvinsaid=p`ath wherefsaid edgewise .-movementis erfectiveLforL-causing'decrease in-'said volume,.egel-1.1or said blades extending l outwardlyfrom opposite sides of said ring, each blade-being divided inl-thelplane ofl-the-ring- -into halves; and -1- apivotconneetingfthe halvestogether forfswing- AV`ing foil the halves ori-'thel pivot; and reach*of said pivots being connectedJ with 1-saidring fonmovefment? therewith.

l 6;? Aeliquidcmeterlcompr-isinga holloW-,fspherical housing, aplurality ofspaced-fbladesfwithin -#said. lhousing-extendingsubstantially radially -4relative te- -the centerlo said-housing, meanssup- `pOrtingsaid blades' f or frevolving inV Yan annular `pathwithinL-said"housing-asi a unit Vaboutl said centerwith their flat sidesdisposed transversely lofisaid path',-rotarymeans withinA said housingin 40fislidableengagement with said-blades for edgeel wisemovement ofth'e -bladesdrelative thereto dur- 'ringy revolution `of saidblades;Vsaid lrotary means "comprising a-pair-of `members'respectivelyrotatably supported ontherhousingwalls `at 'oppositesides-of saidypaths-about axes extending *radiallyfrom said center and angularlyvwith respect to each other, "supportingl meansY supporting -saidmembersfor "rotation- 'aboutsaid 'axesfsaid une'mbers'being formedwith'y slotsslidably receiv- "ing "said "bladesk for said` -'edgewise "movement,

. means or"movi 1ig'one'ofi saidm'embers circumirierentially of thehousing 'tofadjusted positions 'rior changing Akthe' angularity'of its'axis of rotation with respect to'the 'axis 'of rotationlof' the'55"otlie1' memberlmeansfor vsecuring said" one .of

said. members in' adjusted position', an inlet for Jiquidat.one`side oisaid housingand an outlet for the liquid at theopposite side of saidhousing,

said'Lbl'ades-.and said members being Acooperative witheachther. andwith. the walls of the. housing to provide chambers oi?increasinganddecreasing .volumesl over v.substantially separatef,halvesofthe.distance-of travel'of-said blades in Y nsaidhousingwhenthe latterare revolved, and h5? said inlet and outlettbeingpositionedrespectively tof-communicate with said chambers adjacent the pointofincrease. and a'decreasei in. said volumes. 57.:In arfliqud meter, ahollow; sphericalhous- 0 wing; ailotor:revolublegtherein,.said rotorcompriszing. a.pluralityf;oi= pairs .of bladesextending from;;slidable:.engagement ati-'one of their edges with:,thewallssfof'.saidhousing toward. a point centrally;thereimithezsaidedges of theblades, re-

.75.;spe'ctively, in slidable engagement .with said walls,

being longitudinally curved to conform to the spherical contour of theinner sides of said walls, each of said blades being formed withsubstantially straight edges extending convergently toward said centralpoint from its curved edge, pivot means pivotally mounting two of thestraight edges of the blades of each pair of blades for rotation thereofabout an axis extending through said point, with the blades of each suchpair extending oppositely from said axis, means revolvably supported onthe walls of said housing mounting said pivot means for revolving aboutsaid point while the blades are pivotally supported on said pivot means,means mounting the others of the straight edges of said bladesrespectively for swinging said blades on said pivot means, relatively,during each revolution of said pivot means, and an inlet and an outletfor liquid at spaced points in said walls respectively positioned to bescanned by the curved edges of said blades in succession duringrevolution of the blades in said housing, said blades being positionedrelative to each other and to said inlet and outlet to be actuated forrevolving in said housing upon admission of liquid to said inlet, the

means mounting said pivot means comprising a ring extendingcircumferentially around the inner sides of said housing, said housingbeing divided circumferentially in the plane of said ring into halves,complementary recesses formed in the adjacent edges of the halvesproviding a groove slidably supporting said ring therein when the halvesare secured together, said halves being formed with outwardly projectingannular anges around their adjacent edges, an outer casing enclosingsaid housing, said outer casing being divided substantially in the planeof said ring into separable portions and means removably securing theseparable portions together with the said flanges clamped therebetweenwhereby said halves are secured together and the ring is secured in saidgroove by last said mentioned means and whereby said housing provides apartition in said casing, an inlet and an outlet in said casing forliquid positioned for supplying liquid to the sides of said housingrespectively, provided with the said inlet and outlet formed in saidhousing.

THOMAS A. MCCOY.

